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Demographics Table

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Demographic Data Report for California by County
Population: Age under 18
All Races (includes Hispanic), Both Sexes
2019-2023 American Community Survey 5-Year Data
Sorted by Name

County
 sort alphabetically by name descending
2023 Rural-Urban Continuum Codes Φ
 sort by rural urban descending
Value (Percent)
 sort by value ascending
People (Age Under 18)
 sort by sample size ascending
Rank within US
(of 3143 counties)
 sort by rank ascending
California N/A 22.2 8,729,012 23 of 52
United States N/A 22.2 73,645,238 N/A
Alameda County Urban 20.0 331,035 2,300
Alpine County Rural 22.6 383 1,288
Amador County Rural 15.5 6,356 3,036
Butte County Urban 20.5 42,935 2,151
Calaveras County Rural 16.9 7,768 2,917
Colusa County Rural 27.3 5,987 176
Contra Costa County Urban 22.2 258,092 1,469
Del Norte County Rural 21.0 5,728 1,977
El Dorado County Urban 19.7 37,917 2,378
Fresno County Urban 28.0 283,823 136
Glenn County Rural 26.2 7,501 259
Humboldt County Rural 19.0 25,685 2,557
Imperial County Urban 28.5 51,116 121
Inyo County Rural 20.3 3,819 2,213
Kern County Urban 28.8 262,550 115
Kings County Urban 27.1 41,374 187
Lake County Rural 21.8 14,828 1,646
Lassen County Rural 17.9 5,580 2,778
Los Angeles County Urban 20.9 2,057,536 2,008
Madera County Urban 27.4 43,447 173
Marin County Urban 19.7 51,012 2,378
Mariposa County Rural 16.8 2,874 2,927
Mendocino County Rural 21.1 19,142 1,936
Merced County Urban 29.1 83,242 103
Modoc County Rural 19.2 1,661 2,514
Mono County Rural 18.4 2,419 2,684
Monterey County Urban 26.0 113,201 281
Napa County Urban 19.9 27,023 2,329
Nevada County Rural 17.1 17,514 2,892
Orange County Urban 21.3 674,833 1,876
Placer County Urban 22.0 90,610 1,567
Plumas County Rural 17.5 3,430 2,844
Riverside County Urban 24.4 598,671 594
Sacramento County Urban 23.1 365,667 1,087
San Benito County Urban 25.5 16,820 355
San Bernardino County Urban 25.8 563,979 315
San Diego County Urban 21.1 694,169 1,936
San Francisco County Urban 13.7 114,728 3,100
San Joaquin County Urban 26.5 208,930 234
San Luis Obispo County Urban 17.6 49,564 2,835
San Mateo County Urban 19.9 148,064 2,329
Santa Barbara County Urban 22.4 99,608 1,385
Santa Clara County Urban 21.0 398,753 1,977
Santa Cruz County Urban 18.8 49,902 2,608
Shasta County Urban 21.7 39,404 1,683
Sierra County Rural 12.8 349 3,111
Siskiyou County Rural 20.1 8,827 2,274
Solano County Urban 22.1 99,424 1,518
Sonoma County Urban 19.3 93,938 2,489
Stanislaus County Urban 26.9 148,315 204
Sutter County Urban 25.4 25,168 378
Tehama County Rural 24.1 15,783 687
Trinity County Rural 18.3 2,912 2,702
Tulare County Urban 30.1 143,115 74
Tuolumne County Rural 17.2 9,428 2,882
Ventura County Urban 22.2 185,795 1,469
Yolo County Urban 20.5 44,638 2,151
Yuba County Urban 27.3 22,640 176
Notes:
Created by statecancerprofiles.cancer.gov on 07/05/2025 9:54 pm.

Φ Rural-Urban Continuum Codes provided by the USDA.

Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age under 18, see the dictionary.

Data for United States does not include Puerto Rico.

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